Finding the Fourth Proportional to 2,591,973.20, 3,887,959.80 and 1,642,523.60
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Solution
The fourth proportional to 2,591,973.20, 3,887,959.80 and 1,642,523.60 is: 2,463,785.40
Step by Step Solution
- Step 1: Write the proportion equation
2,591,973.20 : 3,887,959.80 = 1,642,523.60 : x - Step 2: Convert to fraction form
2,591,973.20/3,887,959.80 = 1,642,523.60/x - Step 3: Cross multiply
2,591,973.20x = 3,887,959.80 × 1,642,523.60 - Step 4: Simplify right side
2,591,973.20x = 6,386,065,727,351.28 - Step 5: Solve for x
x = 6,386,065,727,351.28/2,591,973.20 - Step 6: Final answer
x = 2,463,785.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.